Add mobile dark mode and user setting (#468)

* styling light and dark theme

* Icon topbar

* Fixed app bar title dark theme

* Fixed issue with getting thumbnail for things

* Refactor sharing page

* Refactor scroll thumb

* Refactor chip in auto  backup indiation button

* Refactor sharing page

* Added theme toggle

* Up version for testflight build

* Refactor backup controller page

* Refactor album selection page

* refactor album pages

* Refactor gradient color profile header

* Added theme switcher

* Register app theme correctly

* Added locale to the app

* Added translation key

* Styling for bottomsheet colors

* up server version

* Fixed font size

* Fixed overlapsed sliverappbar on photos screen

mobile/lib/shared/views/splash_screen.dart

@@ -4,7 +4,6 @@ import 'package:flutter_hooks/flutter_hooks.dart';
 import 'package:hive_flutter/hive_flutter.dart';
 import 'package:hooks_riverpod/hooks_riverpod.dart';
 import 'package:immich_mobile/constants/hive_box.dart';
-import 'package:immich_mobile/constants/immich_colors.dart';
 import 'package:immich_mobile/modules/backup/providers/backup.provider.dart';
 import 'package:immich_mobile/modules/login/models/hive_saved_login_info.model.dart';
 import 'package:immich_mobile/modules/login/providers/authentication.provider.dart';
@@ -49,7 +48,6 @@ class SplashScreenPage extends HookConsumerWidget {
     );
 
     return Scaffold(
-      backgroundColor: immichBackgroundColor,
       body: Center(
         child: Column(
           mainAxisAlignment: MainAxisAlignment.center,

mobile/lib/shared/views/tab_controller_page.dart

@@ -2,7 +2,6 @@ import 'package:auto_route/auto_route.dart';
 import 'package:easy_localization/easy_localization.dart';
 import 'package:flutter/material.dart';
 import 'package:hooks_riverpod/hooks_riverpod.dart';
-import 'package:immich_mobile/constants/immich_colors.dart';
 import 'package:immich_mobile/modules/home/providers/home_page_state.provider.dart';
 import 'package:immich_mobile/routing/router.dart';
 
@@ -36,8 +35,6 @@ class TabControllerPage extends ConsumerWidget {
             bottomNavigationBar: isMultiSelectEnable
                 ? null
                 : BottomNavigationBar(
-                    type: BottomNavigationBarType.fixed,
-                    backgroundColor: immichBackgroundColor,
                     selectedLabelStyle: const TextStyle(
                       fontSize: 13,
                       fontWeight: FontWeight.w600,